5432544018 has 192 divisors, whose sum is σ = 14235298560. Its totient is φ = 1530524160.

The previous prime is 5432544017. The next prime is 5432544031. The reversal of 5432544018 is 8104452345.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5432544017) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5559946 + ... + 5560922.

It is an arithmetic number, because the mean of its divisors is an integer number (74142180).

Almost surely, 2^5432544018 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5432544018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7117649280).

5432544018 is an abundant number, since it is smaller than the sum of its proper divisors (8802754542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5432544018 is a wasteful number, since it uses less digits than its factorization.

5432544018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070 (or 1053 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 5432544018 is about 73705.7936528737. The cubic root of 5432544018 is about 1757.9280043668.

The spelling of 5432544018 in words is "five billion, four hundred thirty-two million, five hundred forty-four thousand, eighteen".